14x25x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 6 Pack Garden Accessories die-caste aluminum handles for superior

die-caste aluminum handles for superior strength while still remaining light and well balanced in the hand

The included smart controller features advanced programming and functions that give you full control over the rack cabinet’s cooling

Side-to-side air distribution improves cooling performance and energy efficiency

If the probe face is dirty or contaminated

The 11 lbs cube expands quickly to over 2 ½ cu ft of a rich growing medium

14x25x 1/2 Half Inch Ring Panel MERV 7 Furnace Air Filters 6 Pack Garden Accessories die-caste aluminum handles for superiorNordic Pure Half Inch Ring Panel AC Furnace Air Filters consist of an internal frame bonded between flat layers of two different types of electrostatically charged HVAC furnace filter media. The first layer is a high capacity, polyester filter material which acts as a pre filter, capturing large airborne particles. The second, more efficient, layer is a MERV rated smooth poly blend filter material. The electrostatic charge works as a magnet to draw in